1) Yttrium element Y元素例句>> 2) Rare Earth Element Y 稀土元素Y 1. Effect of rare earth element Y on 0Cr13 stainless steel microstructure and corrosion resistance ware studied in this paper. 本研究是在0Cr13不锈钢中加入稀土元素Y,研究稀土元素Y对0Cr13不锈钢组织及耐腐蚀性能的影响。 更多例句>...
Yn. 英语字母表的第25个字母;代表未知数;未知的人(或数、影响等);未指明的人(或数、影响等) 双语例句 更多例句 1、 Yttriumoxide Numerator formula: Y 2 O 3 Description: white powder. 氧化钇化学式: Y2O3说明: 白色粉末. 网络期刊摘选 3、
Isotopes are two or more forms of an element. Isotopes Yttrium samples. differ from each other according to their mass number. The number written to the right of the element's name is the mass number. The mass number represents the number of protons plus neutrons in the nucleus of an ...
(Elements & Compounds) a silvery metallic element occurring in monazite and gadolinite and used in various alloys, in lasers, and as a catalyst. Symbol: Y; atomic no: 39; atomic wt: 88.90585; valency: 3; relative density: 4.469; melting pt: 1522°C; boiling pt: 3338°C ...
英['ɪtrɪəm]美['ɪtrɪəm] 英英释义实用场景例句 n.[化学]钇(稀有金属元素,符号Y) 中文词源 yttrium钇 因发现自瑞典Ytterby镇而得名,该地字面意思为outer village(by). 英文词源 yttrium metallic rare-earth element, 1866, coined in Modern Latin by Swedish chemist Carl Gustaf Mosander ...
Elements in the periodic table usually exhibit strong similarities to others in the same vertical group - however in this regard yttrium is different, and it does not correspond closely to scandium, the element directly above it in the table. [1]...
Atomistry»Yttrium History Yttrium, as an element of the 3rdgroup in periodic system, does not belong to the group rare earth metals; however the history of its discovery is closely connected with rare earth elements. This history commenced by Johan Gadolin's investigation ofytterbiteorgadolin...
Yttrium-element autoclaved aerated concrete block and preparation method thereofdoi:CN102503527 B本发明公开了一种钇元素蒸压加气混凝土砌块及制备方法,分为钇元素砂加气混凝土砌块和钇元素灰加气混凝土砌块两种,属于建筑材料领域,钇元素砂加气混凝土砌块,由如下原料组成,按重量比为:砂55～70份,氧化钇0.03～0.06份,...
中文词源yttrium 钇 因发现自瑞典Ytterby镇而得名,该地字面意思为outer village(by).英文词源yttrium metallic rare-earth element, 1866, coined in Modern Latin by Swedish chemist Carl Gustaf Mosander (1797-1858) from Ytterby, name of a town in Sweden where mineral containing it was found.双语例句...
The similarities of yttrium to the lanthanoids are so strong that the element has historically been grouped with them as a rare earth element,[2] and is always found in nature together with them in rare earth minerals.[10] Chemically, yttrium resembles these elements more closely than its ...